Rick's field notes mention the accession Hda. Carrizal as typical northern Peru hirsutum, but the Abra de Porculla  collection  is  described  as  "odor  not  typical  and  organs  smaller  than  normal."  Again  this  may indicate  transition  types  and  interbreeding  with  other  populations.  The  presence  of  parrot  swarms  all over this area is a distribution factor that should be studied here as well as in the Ayacucho-Pampas- Apurimac complex of L. chmielewski and L. parviflorum. The collections from Sana are noteworthy because they have been made only by Raymondi in 1874 when a route through this valley to and from Cajamarca was apparently common but is seldom used today. A recent collection would be useful since the whole region from Trujillo to Chiclayo is transitional in vegetation. 3. Watershed: Jequetepeque (Table 7, fig. 3) The  Jequetepeque  river  is  intermediate  in  length  (about  like  the  Cañete).  The  amount  of  water  is relatively  small  and  seasonal,  there  being  no  water  in  the  lower  part  during  the  June  to  November period. In the ascent of the valley the first 1800 m is gained gradually, the next 1000 in 60 kms while the rest of the climb is very rapid. The two tributaries that form the Jequetepeque start near the town of Cajamarca. At the city itself a river of the same name originates which drains into the Crisnejas, and farther  on  into  the  Marañon,  thus  it  belongs  to  the  eastern  side  of  the  Andes  (fig.  4).  The  Abra  here (Gavilan) is at 2800 m. This area needs to be included in the study of inter-divide migration of green- fruited species. In  the  Jequetepeque,  the  two  ecological  zones  characteristic  of  western  Andean  drainages  are unusually  well  defined.  It  is  the  first  watershed  to  display  vegetation  of  the  northern  desert  type (including  "sapote"  and  algarrobo")  in  its  coastal  section.  The  lower  delta  has  a  fair  amount  of  highly developed rice cultivation, but little area for L. pimpinellifolium to develop. This species extends along the river  up  to  1500  m  (Magdalena).  The  quebrada  of  the  upper  zone  is  long,  narrow,  and  dry,  with characteristic  xerophytic  vegetation  (cactus  species)  and  at  its  upper  reaches  changes  to  a  very  steep ascent to the pass (Abra Gavilan), which opens into the Cajamarca Valley. Up to Tembladera (500 m) rice is almost the only crop, then the typical "quebrada" mixture of corn, fruits (avocado, banana, mango, grapes, apple), beans, loctau, peas, etc. in small plots (1-5 ha) is found. Observations on Lycopersicon spp. a.  L.  peruvianum  is  found  here  in  two  forms,  var.  typicum  and  var.  humifusum.  The  particular relationship of humifusum with other L. peruvianum populations has been described by Rick (1963). It appears that var. humifusum is the mountain race of the Jequetepeque watershed. b. L. hirsutum has been found where the needed humid conditions prevail (Rupe, LA 1352); only the typicum form appears here. 4. Watershed: Chicama (Table 8, fig. 3, 4) The  river  Chicama  is  intermediate  in  size  with  two  areas  to  be  distinguished:  1)  the  large  delta almost  exclusively  planted  to  sugar  cane;  and  2)  an  upper  mountainous  section  with  the  peculiar ecology  of  endemic  flora  composed  mainly  of  humid-loving  plants  such  as  Lycopersicon  hirsutum,  a yellow-flowered  Solanum,  Fuchsia  spp.,  and  Irodea  spp.  L.  peruvianum  is  not  very  common  while  L. hirsutum  is  a  dominant  feature  of  the  Contumaza-Cascas  area  and  was  collected  here  in  1875  by Raimondi. Solanum pennellii occurs here in its northernmost limit. Unfortunately, the seed collected has not provided material for study of the relation of these populations to others of the species.

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